London has been battered by 50mph winds that have felled trees and caused travel chaos. Powerful gusts swept across the capital as the Met Office issued a yellow "be aware" weather alert for most of the country.

Down to business: Kate in a professional Roland Mouret dress and Smythe blazer teamed with a Mulberry handbag as she boards a plane of the Royal Canadian Air Force at Heathrow Airport in June 30, 2011 (Photo: Steve Parsons - WPA Pool/Getty Images)